Arome-Indonesie image/svg+xml Arome-Indonesie Ghislain FaureMétéo-France Short introduction to Arome-Indonésieand NWP @Météo-France 13th March 2023Toulouse Global(arpege) Local(arome) schematic diagram no cutoff, missing apps, ... EDA AEARO AROME Fr ARPEGE EPS AROME Fr PEARO AROME IFS AROME OM (x5) AROME Assist (x5) PNT@MF ARPEGE NWP applications @ MF (and dependancies) EDA EPS Forecast Dataassimi lation Deterministic Ensemble AEARP PEARP - Arome atmospheric model, coupled to Surfex land model- 60" time-step, non-hydrostatic core- Domain: - 3000 x 1440 points at 2.5 km - 90 vertical levels from 5 m to ~ 30 km ~ 389 millions of gridpoints- Downscaling of Arpège global model, used for initial conditions and lateral forcing (1 h frequency)- Hourly outputs on native grid (FA format) and regularlat-lon grid (GRIB format), up to +36 h lead-time ~ 1 To per day (forecast only) Arome-Indonésie in a nutshell ATOS BULL Sequana XH2000 «Belenos» and «Taranis» Each HPC: ATOS BULL Sequana XH2000 2292 computing nodes Belenos computer Taranis computer In operations since February 2021 2 High Performance Computers 2 AMD Epyc Rome processorswith 64 cores at 2.25 Ghz => Five fold increase in performance than the previous HPC 10.39 PFlopspeak performance IFS-Arpege-LAM common code Continous evolution, 2 major releases a year,testing & validation is very demanding GitHub repo Testing suite Various tools (R&D) - Compilation: gmkpack (home made)- Scripting is based on - a home made Python library (Vortex) - a home made web based interface (Olive) A particular NWP model is launched through the conjonction of: * Environment files (ingredients) * Specific Olive configuration (recipe)- Manipulation & plot of fields: Epygram python library (home made)- and much more (observations, ...) Resarch2Operations: 3 layers R&D to improve NWP applications DA & observations, physics, dynamics, EPSUpgrade and validation of new code releasesCode optimizations, adaptation to new architectures Versioning of all elements of all suitesReproducibility testsDev and maintenance of scripting toolsVerification of all NWP applications GMAP(Research) Forecast &Validation IT Operations Real-time implementation (vortex)24/7 monitoringData import & dissemination
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  1. Title
  2. NWP
  3. AromeIndonesie
  4. ZoomOut
  5. HPCs
  6. Code
  7. Tools
  8. R2O
  9. Final